working methods

1, sweet potato100g, cut into pieces, and steamed in a pot.

2. Beat in three eggs and make them more delicate with a complementary food machine.

3. Add 30 grams of flour and appropriate amount of sugar and stir until there are no particles.

4. Brush a layer of butter under the mold.

5. Preheat the oven to 190 degrees and add the batter for 30 minutes.